BOULDER, Colo. - The progress a college football player makes throughout his career is not always linear on a game-by-game basis. Free safety Ray Polk was named the Buffaloes' co-Defensive MVP after their win over Hawaii. The following game against Georgia, the converted running back missed some tackles. Is his development in two steps forward, one step back mode right now? CU defensive backs coach Ashley Ambrose doesn't think so. More on Polk's development at safety inside.